Is sang an abstract noun?
No, the word 'sang' is the past tense of the verb to sing.
adjective: agile abstract noun: agility adjective: brave abstract noun: bravery adjective: clever abstract noun: cleverness adjective: dependent abstract noun: dependence adjective: eccentric abstract noun: eccentricity adjective: favorite abstract noun: favoritism adjective: gentle abstract noun: gentility adjective: happy abstract noun: happiness adjective: objective abstract noun: objectivity adjective: true abstract noun: truth
No, the noun 'abstract' is a concrete noun, a singular common noun; a word for a summary of information or the summary of a book, article, or a speech. An abstract is a written work, a physical thing. The word 'abstract' is also a verb and an adjective. The adjective 'abstract' describes the noun 'noun' for the term 'abstract noun'. And, the verb: What did you abstract from the answer to your question?